Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 207 [Rate centres in NPA 207] [Dial plan for NPA 207]

NXX: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
207-644 A South Bristol ME SBRSMEXARS1  3311 TIDEWATER TELECOM, INC. 120      
207-644 0 South Bristol ME DMRSMEXA0MD  578C TIME WARNER CBL INFO SVC (ME) DBA TIME WARNER CBL 120   2013-12-26   
207-644 1 South Bristol ME SBRSMEXARS1  3311 TIDEWATER TELECOM, INC. 120      
207-644 4 South Bristol ME   145J TERRA NOVA TELECOM INC. 120   2025-06-06   
207-644 7 South Bristol ME SBRSMEXARS1  3311 TIDEWATER TELECOM, INC. 120      
207-644 8 South Bristol ME SBRSMEXARS1  3311 TIDEWATER TELECOM, INC. 120      
207-644 9 South Bristol ME SBRSMEXARS1  3311 TIDEWATER TELECOM, INC. 120      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.